The combination of these approaches is useful for the identification of genes and traits under selection in natural settings, but so far few studies have taken this approach. Eckert et al. tested the association of SNPs with five phenotypic traits and 11 environmental variables across 10 P. lambertiana populations around Lake Tahoe. This study identified six …
Tag Archives: hydroponic grow
Evaluation of existing cultivars was conducted using available nursery trees
The region of Araraquara has the largest insect Las+ population in summer, while Bebedouro has the smallest, during the whole year. The Asian citrus psyllid is the only known vector of the bacterium, ‘Candidatus’ Liberibacter asiaticus , that causes huanglongbing or citrus greening disease. This insect acquires CLas from an infected citrus tree while feeding …
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Bacteria titers were reduced in treated plants on average by 50% at three weeks post treatment
The original smooth-cylinder trap model did not catch many psyllids, <10%, even in high density population exposure; Psyllid trap efficacy also requires correct field positioning ; One design accidentally had a rougher texture on the outside, and it caught more psyllids than similar traps that were smooth; Newer traps were then developed with intentional projections …
Limonene is captured by condensation of the recovered steam upon depressurization
In a second replicated long-term field trial with ‘Valencia’ scion severely affected by HLB, highest yields over four harvests were with ‘US-942’ and ‘US-802’ root stocks. In both trials, some other root stocks that are commonly used in commercial production performed poorly, probably indicating less tolerance of those root stocks to HLB. Similarities and differences between the two …
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The term and concept of ‘food desert’ managed to make the well-established urban grocery gap visceral
Local governments readily looked to these studies to justify new programs and initiatives to support efforts to address food access issues locally. And yet, some researchers were more concerned with the conceptual basis of the term ‘food desert,’ which failed to account for the ways that poor communities have managed to cope in spite of …
The essence of the concept is hidden in plain sight—below ground
Accordingly, many of the Master’s gardens employed thematics associated with the labyrinth and the grotto; of hiding and revealing, of voyeurism, exotica, minutiae, and narrative . In the descriptions that follow, I roughly corral the nine Masters’ Gardens into three categories; labyrinths, rooms, and representative gardens. Using this draft rubric, I explore three Masters Gardens in detail, three …
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Defense responses induced by MAMPS in plants are referred to as PTI
Studies of PTI have focused on the bacterial peptides flagellin and EF-Tu and their action in Arabidopsis. These peptides are perceived by PRRs, receptor-like kinases that are crucial for perception of flagellin/EF-Tu and activation of PTI. However, unlike flagellin and EF-Tu, many of the historical elicitors that stimulate well-characterized defense responses in plants have not …
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Water level was kept at 2 cm above the soil surface throughout the experimental period
Although we did not directly measure selection in this study, we used the large body of work on drought adaptation to infer the adaptive value of specific trait combinations. We predicted that due to the drought escape strategy conferred by derived loss of function mutations at FRI, accessions with these alleles would inhabit environments with …
Utopia is recognized as a historically colonial project by postcolonial sf scholars
Karl Hardy, in his excellent essay on the historical-colonial roots of “utopia” and the tentative possibilities of its use in Indigenous politics, cites research that Thomas More’s Utopia may have been the first instance of the Roman word colonia in the English language. Hardy also points out that More’s utopians are colonists themselves, who conquer …
Trends in farm and near-farm jobs are mixed
Harvesting activity moves to the coastal plains in the second quarter of April June, as lemons and oranges are harvested in southern California and vegetable crops are thinned and then harvested in the Salinas Valley of northern California. June marks the second highest month of employment on the state’s farms, as workers harvest strawberries and vegetables …
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